Find a powerful tool created by skilled dermatologists to combat acne. Dr. Bielenda Medica Acne skin serum to control overproduction of sebum and acne that notably balances seborrheic gland activity. In order to reduce oiliness on your skin, it also helps tighten and clean enlarged, clogged pores. It stays looking matt and blackheads and other pimples won’t appear as easily.